60877997 has 2 divisors, whose sum is σ = 60877998. Its totient is φ = 60877996.

The previous prime is 60877979. The next prime is 60878011. The reversal of 60877997 is 79977806.

It is a happy number.

Together with previous prime (60877979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56761156 + 4116841 = 7534^2 + 2029^2 .

It is a cyclic number.

It is not a de Polignac number, because 60877997 - 2⁶ = 60877933 is a prime.

It is a super-2 number, since 2×60877997² = 7412261037464018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60877937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30438998 + 30438999.

It is an arithmetic number, because the mean of its divisors is an integer number (30438999).

Almost surely, 2^60877997 is an apocalyptic number.

It is an amenable number.

60877997 is a deficient number, since it is larger than the sum of its proper divisors (1).

60877997 is an equidigital number, since it uses as much as digits as its factorization.

60877997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 53.

The square root of 60877997 is about 7802.4353249482. The cubic root of 60877997 is about 393.3871035527.

It can be divided in two parts, 6087799 and 7, that added together give a palindrome (6087806).

The spelling of 60877997 in words is "sixty million, eight hundred seventy-seven thousand, nine hundred ninety-seven".